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What is meant by antimeridian?
Antimeridian, a meridian at 180° from another or the meridian opposite the prime meridian. Ante meridiem, normally abbreviated a.m., Latin for “before midday”
What do we mean by ante meridiem?
: being before noon —abbreviation AM, a.m., or (British) am.
What is anti meridian short answer?
An antimeridian is the meridian of longitude opposite any given meridian. A meridian and its antimeridian form a continuous ring around the Earth. The Antimeridian is the meridian of longitude opposite the Prime Meridian. The Antimeridian is used as the basis for the International Date Line.
Why is it called ante meridian?
The term, first recorded in English in 1563, is from Latin: ante (before) and meridiem (midday). The word, Oxford says, was derived from the Latin adjective antemeridianus (“of the forenoon”), which in turn comes from ante meridiem.
What is the other term of Antemeridian?
Synonyms: a.m., ante meridiem. before noon. Antonyms: postmeridian. after noon. p.m., post meridiem.
Where is the Antimeridian located?
Pacific Ocean
The Antimeridian is the +180°/-180° line of longitude, exactly opposite the Prime Meridian (0°). It is often used as the basis for the International Date Line (IDL) because it passes through the open waters of the Pacific Ocean.
What is the meaning of Ante meridiem and Post Meridian?
From the Latin words meridies (midday), ante (before) and post (after), the term ante meridiem (a.m.) means before midday and post meridiem (p.m.) means after midday. The American Heritage Dictionary of the English Language states “By convention, 12 AM denotes midnight and 12 PM denotes noon.
Which is called as anti Meridian?
The 180th meridian or antimeridian is the meridian 180° both east and west of the Prime Meridian, with which it forms a great circle dividing the earth into the Western and Eastern Hemispheres.
What is meant by anti Meridian and Post meridian?
The time between 12 o’clock of the day, i.e., midday to next midnight is known as postmeridian. It is written in short as p.m. We say the time between midday (noon) to next midnight is called p.m. Antemeridian (a.m.) and Postmeridian (p.m.) are Latin words which mean midnight to noon (a.m.) and noon to midnight (p.m.).
Where is the Antemeridian?
The 180th meridian or antimeridian is the meridian 180° both east and west of the Prime Meridian, with which it forms a great circle dividing the earth into the Western and Eastern Hemispheres. It is common to both east longitude and west longitude.